Home / 77,694.16-116,453.04-68,316.02

Finding the Fourth Proportional to 77,694.16, 116,453.04 and 68,316.02

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Solution

The fourth proportional to 77,694.16, 116,453.04 and 68,316.02 is: 102,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,694.16 : 116,453.04 = 68,316.02 : x
  2. Step 2: Convert to fraction form
    77,694.16/116,453.04 = 68,316.02/x
  3. Step 3: Cross multiply
    77,694.16x = 116,453.04 × 68,316.02
  4. Step 4: Simplify right side
    77,694.16x = 7,955,608,209.70
  5. Step 5: Solve for x
    x = 7,955,608,209.70/77,694.16
  6. Step 6: Final answer
    x = 102,396.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.